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Address: Dinghu Town, Jiangdu District, Yangzhou City, Jiangsu Province
Fax: 0514-8634 1846
Mailbox: guoyujiang@yzhgjt.com
Mobile phone: 13305250409
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Mainly engaged in precision manufacturing and processing, vehicle oil inlet solenoid valve, oil outlet solenoid valve, common rail pump metering valve research and development, production and sales
PRODUCT
Describe
结构特点：
大钩符合API Spec 8C规范，符合行业标准SY/T5527要求。
主钩处装有安全装置。
使用时为保护钻杆接头，设计装有新型液压缓冲装置。
大钩主要零件采用高强度合金钢，并经无损探伤检测。
| 型 号 | DG90 | DG135 | DG170 | DG225 | DG315 | DG450 | DG585 | |
| 最大钩载 | kN | 900 | 1350 | 1700 | 2250 | 3150 | 4500 | 5850 |
| US ton | 100 | 150 | 200 | 250 | 350 | 500 | 650 | |
| 主钩口开口尺寸 | mm | 155 | 165 | 180 | 190 | 220 | 220 | 238 |
| in | 6 1/16 | 6 1/2 | 7 | 71/2 | 8 5/8 | 8 5/8 | 9 3/8 | |
| 主钩口直径 | mm | 116 | 140 | 150 | 160 | 180 | 180 | 180 |
| in | 4 1/2 | 5 1/2 | 6 | 6 1/4 | 7 | 7 | 7 | |
| 副钩口直径 | mm | 80 | 90 | 90 | 100 | 120 | 120 | 120 |
| in | 3 1/8 | 3 1/2 | 3 1/2 | 4 | 4 3/4 | 4 3/4 | 4 3/4 | |
| 弹簧工作行程 | mm | 180 | 180 | 180 | 180 | 200 | 200 | 200 |
| in | 7 | 7 | 7 | 7 | 8 | 8 | 8 | |
| 外形尺寸 | mm | 2000×680×600 | 2200×720×616 | 2450×750 ×630 | 2545×780 ×750 | 2953×890 ×830 | 2950×890 ×880 | 3156×930 ×930 |
| in | 79×27×23 | 79×28×24 | 96×29×25 | 100×31×29 | 116×35×33 | 116×35×35 | 124×37×37 | |
| 质量 | kg | 1800 | 1910 | 2020 | 2180 | 3410 | 3496 | 3900 |
| Ib | 3970 | 4210 | 4450 | 4800 | 7520 | 7710 | 8598 | |
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